# # str = "day day up"
# # for i in range(len(str)):
# #     print(str[i], end=" ")
# # list1 = []
# # # list1[0] = 1
# # # list1[1] = 2
# # list1.append(3)
# # list1.append(4)
# # list1.append(5)
# # print(list1)
#
# list2 = [1,2,3]
# # lsit3 = (1,2,3)
# # list3 = list();
# # list3.append(1)
# # list3.append(2)
# # list3.append(3)
# # print(list3)
# for i in list2:
#     print(i)
# list2.insert(1,10)
# # list4 = range(1,3)
# # print(list4)
# print(list2)
# list2.extend([11,12])
# print(list2)
# list2.sort(reverse = True)#默认升序
# print('----------')
# print(list2)
#
# list3 = sorted(list2)
# print(list2)
# print(list3)
# del list3
# print('++++++++++++')
# print(list3)

list4=[1,3,5,7,9]
list5 = [i**2 for i in range(1,10) if i%2 !=0]
print(list5)

str = ('1111',)
print(type(str))